1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 /* QLogic qede NIC Driver 3 * Copyright (c) 2015-2017 QLogic Corporation 4 * Copyright (c) 2019-2020 Marvell International Ltd. 5 */ 6 7 #include <linux/version.h> 8 #include <linux/types.h> 9 #include <linux/netdevice.h> 10 #include <linux/etherdevice.h> 11 #include <linux/ethtool.h> 12 #include <linux/string.h> 13 #include <linux/pci.h> 14 #include <linux/capability.h> 15 #include <linux/vmalloc.h> 16 #include <linux/phylink.h> 17 18 #include "qede.h" 19 #include "qede_ptp.h" 20 21 #define QEDE_RQSTAT_OFFSET(stat_name) \ 22 (offsetof(struct qede_rx_queue, stat_name)) 23 #define QEDE_RQSTAT_STRING(stat_name) (#stat_name) 24 #define QEDE_RQSTAT(stat_name) \ 25 {QEDE_RQSTAT_OFFSET(stat_name), QEDE_RQSTAT_STRING(stat_name)} 26 27 #define QEDE_SELFTEST_POLL_COUNT 100 28 #define QEDE_DUMP_VERSION 0x1 29 #define QEDE_DUMP_NVM_ARG_COUNT 2 30 31 static const struct { 32 u64 offset; 33 char string[ETH_GSTRING_LEN]; 34 } qede_rqstats_arr[] = { 35 QEDE_RQSTAT(rcv_pkts), 36 QEDE_RQSTAT(rx_hw_errors), 37 QEDE_RQSTAT(rx_alloc_errors), 38 QEDE_RQSTAT(rx_ip_frags), 39 QEDE_RQSTAT(xdp_no_pass), 40 }; 41 42 #define QEDE_NUM_RQSTATS ARRAY_SIZE(qede_rqstats_arr) 43 #define QEDE_TQSTAT_OFFSET(stat_name) \ 44 (offsetof(struct qede_tx_queue, stat_name)) 45 #define QEDE_TQSTAT_STRING(stat_name) (#stat_name) 46 #define QEDE_TQSTAT(stat_name) \ 47 {QEDE_TQSTAT_OFFSET(stat_name), QEDE_TQSTAT_STRING(stat_name)} 48 #define QEDE_NUM_TQSTATS ARRAY_SIZE(qede_tqstats_arr) 49 static const struct { 50 u64 offset; 51 char string[ETH_GSTRING_LEN]; 52 } qede_tqstats_arr[] = { 53 QEDE_TQSTAT(xmit_pkts), 54 QEDE_TQSTAT(stopped_cnt), 55 QEDE_TQSTAT(tx_mem_alloc_err), 56 }; 57 58 #define QEDE_STAT_OFFSET(stat_name, type, base) \ 59 (offsetof(type, stat_name) + (base)) 60 #define QEDE_STAT_STRING(stat_name) (#stat_name) 61 #define _QEDE_STAT(stat_name, type, base, attr) \ 62 {QEDE_STAT_OFFSET(stat_name, type, base), \ 63 QEDE_STAT_STRING(stat_name), \ 64 attr} 65 #define QEDE_STAT(stat_name) \ 66 _QEDE_STAT(stat_name, struct qede_stats_common, 0, 0x0) 67 #define QEDE_PF_STAT(stat_name) \ 68 _QEDE_STAT(stat_name, struct qede_stats_common, 0, \ 69 BIT(QEDE_STAT_PF_ONLY)) 70 #define QEDE_PF_BB_STAT(stat_name) \ 71 _QEDE_STAT(stat_name, struct qede_stats_bb, \ 72 offsetof(struct qede_stats, bb), \ 73 BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_BB_ONLY)) 74 #define QEDE_PF_AH_STAT(stat_name) \ 75 _QEDE_STAT(stat_name, struct qede_stats_ah, \ 76 offsetof(struct qede_stats, ah), \ 77 BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_AH_ONLY)) 78 static const struct { 79 u64 offset; 80 char string[ETH_GSTRING_LEN]; 81 unsigned long attr; 82 #define QEDE_STAT_PF_ONLY 0 83 #define QEDE_STAT_BB_ONLY 1 84 #define QEDE_STAT_AH_ONLY 2 85 } qede_stats_arr[] = { 86 QEDE_STAT(rx_ucast_bytes), 87 QEDE_STAT(rx_mcast_bytes), 88 QEDE_STAT(rx_bcast_bytes), 89 QEDE_STAT(rx_ucast_pkts), 90 QEDE_STAT(rx_mcast_pkts), 91 QEDE_STAT(rx_bcast_pkts), 92 93 QEDE_STAT(tx_ucast_bytes), 94 QEDE_STAT(tx_mcast_bytes), 95 QEDE_STAT(tx_bcast_bytes), 96 QEDE_STAT(tx_ucast_pkts), 97 QEDE_STAT(tx_mcast_pkts), 98 QEDE_STAT(tx_bcast_pkts), 99 100 QEDE_PF_STAT(rx_64_byte_packets), 101 QEDE_PF_STAT(rx_65_to_127_byte_packets), 102 QEDE_PF_STAT(rx_128_to_255_byte_packets), 103 QEDE_PF_STAT(rx_256_to_511_byte_packets), 104 QEDE_PF_STAT(rx_512_to_1023_byte_packets), 105 QEDE_PF_STAT(rx_1024_to_1518_byte_packets), 106 QEDE_PF_BB_STAT(rx_1519_to_1522_byte_packets), 107 QEDE_PF_BB_STAT(rx_1519_to_2047_byte_packets), 108 QEDE_PF_BB_STAT(rx_2048_to_4095_byte_packets), 109 QEDE_PF_BB_STAT(rx_4096_to_9216_byte_packets), 110 QEDE_PF_BB_STAT(rx_9217_to_16383_byte_packets), 111 QEDE_PF_AH_STAT(rx_1519_to_max_byte_packets), 112 QEDE_PF_STAT(tx_64_byte_packets), 113 QEDE_PF_STAT(tx_65_to_127_byte_packets), 114 QEDE_PF_STAT(tx_128_to_255_byte_packets), 115 QEDE_PF_STAT(tx_256_to_511_byte_packets), 116 QEDE_PF_STAT(tx_512_to_1023_byte_packets), 117 QEDE_PF_STAT(tx_1024_to_1518_byte_packets), 118 QEDE_PF_BB_STAT(tx_1519_to_2047_byte_packets), 119 QEDE_PF_BB_STAT(tx_2048_to_4095_byte_packets), 120 QEDE_PF_BB_STAT(tx_4096_to_9216_byte_packets), 121 QEDE_PF_BB_STAT(tx_9217_to_16383_byte_packets), 122 QEDE_PF_AH_STAT(tx_1519_to_max_byte_packets), 123 QEDE_PF_STAT(rx_mac_crtl_frames), 124 QEDE_PF_STAT(tx_mac_ctrl_frames), 125 QEDE_PF_STAT(rx_pause_frames), 126 QEDE_PF_STAT(tx_pause_frames), 127 QEDE_PF_STAT(rx_pfc_frames), 128 QEDE_PF_STAT(tx_pfc_frames), 129 130 QEDE_PF_STAT(rx_crc_errors), 131 QEDE_PF_STAT(rx_align_errors), 132 QEDE_PF_STAT(rx_carrier_errors), 133 QEDE_PF_STAT(rx_oversize_packets), 134 QEDE_PF_STAT(rx_jabbers), 135 QEDE_PF_STAT(rx_undersize_packets), 136 QEDE_PF_STAT(rx_fragments), 137 QEDE_PF_BB_STAT(tx_lpi_entry_count), 138 QEDE_PF_BB_STAT(tx_total_collisions), 139 QEDE_PF_STAT(brb_truncates), 140 QEDE_PF_STAT(brb_discards), 141 QEDE_STAT(no_buff_discards), 142 QEDE_PF_STAT(mftag_filter_discards), 143 QEDE_PF_STAT(mac_filter_discards), 144 QEDE_PF_STAT(gft_filter_drop), 145 QEDE_STAT(tx_err_drop_pkts), 146 QEDE_STAT(ttl0_discard), 147 QEDE_STAT(packet_too_big_discard), 148 149 QEDE_STAT(coalesced_pkts), 150 QEDE_STAT(coalesced_events), 151 QEDE_STAT(coalesced_aborts_num), 152 QEDE_STAT(non_coalesced_pkts), 153 QEDE_STAT(coalesced_bytes), 154 155 QEDE_STAT(link_change_count), 156 QEDE_STAT(ptp_skip_txts), 157 }; 158 159 #define QEDE_NUM_STATS ARRAY_SIZE(qede_stats_arr) 160 #define QEDE_STAT_IS_PF_ONLY(i) \ 161 test_bit(QEDE_STAT_PF_ONLY, &qede_stats_arr[i].attr) 162 #define QEDE_STAT_IS_BB_ONLY(i) \ 163 test_bit(QEDE_STAT_BB_ONLY, &qede_stats_arr[i].attr) 164 #define QEDE_STAT_IS_AH_ONLY(i) \ 165 test_bit(QEDE_STAT_AH_ONLY, &qede_stats_arr[i].attr) 166 167 enum { 168 QEDE_PRI_FLAG_CMT, 169 QEDE_PRI_FLAG_SMART_AN_SUPPORT, /* MFW supports SmartAN */ 170 QEDE_PRI_FLAG_RECOVER_ON_ERROR, 171 QEDE_PRI_FLAG_LEN, 172 }; 173 174 static const char qede_private_arr[QEDE_PRI_FLAG_LEN][ETH_GSTRING_LEN] = { 175 "Coupled-Function", 176 "SmartAN capable", 177 "Recover on error", 178 }; 179 180 enum qede_ethtool_tests { 181 QEDE_ETHTOOL_INT_LOOPBACK, 182 QEDE_ETHTOOL_INTERRUPT_TEST, 183 QEDE_ETHTOOL_MEMORY_TEST, 184 QEDE_ETHTOOL_REGISTER_TEST, 185 QEDE_ETHTOOL_CLOCK_TEST, 186 QEDE_ETHTOOL_NVRAM_TEST, 187 QEDE_ETHTOOL_TEST_MAX 188 }; 189 190 static const char qede_tests_str_arr[QEDE_ETHTOOL_TEST_MAX][ETH_GSTRING_LEN] = { 191 "Internal loopback (offline)", 192 "Interrupt (online)\t", 193 "Memory (online)\t\t", 194 "Register (online)\t", 195 "Clock (online)\t\t", 196 "Nvram (online)\t\t", 197 }; 198 199 /* Forced speed capabilities maps */ 200 201 struct qede_forced_speed_map { 202 u32 speed; 203 __ETHTOOL_DECLARE_LINK_MODE_MASK(caps); 204 205 const u32 *cap_arr; 206 u32 arr_size; 207 }; 208 209 #define QEDE_FORCED_SPEED_MAP(value) \ 210 { \ 211 .speed = SPEED_##value, \ 212 .cap_arr = qede_forced_speed_##value, \ 213 .arr_size = ARRAY_SIZE(qede_forced_speed_##value), \ 214 } 215 216 static const u32 qede_forced_speed_1000[] __initconst = { 217 ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 218 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 219 ETHTOOL_LINK_MODE_1000baseX_Full_BIT, 220 }; 221 222 static const u32 qede_forced_speed_10000[] __initconst = { 223 ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 224 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 225 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, 226 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT, 227 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT, 228 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, 229 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, 230 ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT, 231 }; 232 233 static const u32 qede_forced_speed_20000[] __initconst = { 234 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT, 235 }; 236 237 static const u32 qede_forced_speed_25000[] __initconst = { 238 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 239 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 240 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, 241 }; 242 243 static const u32 qede_forced_speed_40000[] __initconst = { 244 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, 245 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 246 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 247 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, 248 }; 249 250 static const u32 qede_forced_speed_50000[] __initconst = { 251 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, 252 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, 253 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, 254 }; 255 256 static const u32 qede_forced_speed_100000[] __initconst = { 257 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 258 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, 259 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 260 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, 261 }; 262 263 static struct qede_forced_speed_map qede_forced_speed_maps[] __ro_after_init = { 264 QEDE_FORCED_SPEED_MAP(1000), 265 QEDE_FORCED_SPEED_MAP(10000), 266 QEDE_FORCED_SPEED_MAP(20000), 267 QEDE_FORCED_SPEED_MAP(25000), 268 QEDE_FORCED_SPEED_MAP(40000), 269 QEDE_FORCED_SPEED_MAP(50000), 270 QEDE_FORCED_SPEED_MAP(100000), 271 }; 272 273 void __init qede_forced_speed_maps_init(void) 274 { 275 struct qede_forced_speed_map *map; 276 u32 i; 277 278 for (i = 0; i < ARRAY_SIZE(qede_forced_speed_maps); i++) { 279 map = qede_forced_speed_maps + i; 280 281 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); 282 map->cap_arr = NULL; 283 map->arr_size = 0; 284 } 285 } 286 287 /* Ethtool callbacks */ 288 289 static void qede_get_strings_stats_txq(struct qede_dev *edev, 290 struct qede_tx_queue *txq, u8 **buf) 291 { 292 int i; 293 294 for (i = 0; i < QEDE_NUM_TQSTATS; i++) { 295 if (txq->is_xdp) 296 sprintf(*buf, "%d [XDP]: %s", 297 QEDE_TXQ_XDP_TO_IDX(edev, txq), 298 qede_tqstats_arr[i].string); 299 else 300 sprintf(*buf, "%d_%d: %s", txq->index, txq->cos, 301 qede_tqstats_arr[i].string); 302 *buf += ETH_GSTRING_LEN; 303 } 304 } 305 306 static void qede_get_strings_stats_rxq(struct qede_dev *edev, 307 struct qede_rx_queue *rxq, u8 **buf) 308 { 309 int i; 310 311 for (i = 0; i < QEDE_NUM_RQSTATS; i++) { 312 sprintf(*buf, "%d: %s", rxq->rxq_id, 313 qede_rqstats_arr[i].string); 314 *buf += ETH_GSTRING_LEN; 315 } 316 } 317 318 static bool qede_is_irrelevant_stat(struct qede_dev *edev, int stat_index) 319 { 320 return (IS_VF(edev) && QEDE_STAT_IS_PF_ONLY(stat_index)) || 321 (QEDE_IS_BB(edev) && QEDE_STAT_IS_AH_ONLY(stat_index)) || 322 (QEDE_IS_AH(edev) && QEDE_STAT_IS_BB_ONLY(stat_index)); 323 } 324 325 static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf) 326 { 327 struct qede_fastpath *fp; 328 int i; 329 330 /* Account for queue statistics */ 331 for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { 332 fp = &edev->fp_array[i]; 333 334 if (fp->type & QEDE_FASTPATH_RX) 335 qede_get_strings_stats_rxq(edev, fp->rxq, &buf); 336 337 if (fp->type & QEDE_FASTPATH_XDP) 338 qede_get_strings_stats_txq(edev, fp->xdp_tx, &buf); 339 340 if (fp->type & QEDE_FASTPATH_TX) { 341 int cos; 342 343 for_each_cos_in_txq(edev, cos) 344 qede_get_strings_stats_txq(edev, 345 &fp->txq[cos], &buf); 346 } 347 } 348 349 /* Account for non-queue statistics */ 350 for (i = 0; i < QEDE_NUM_STATS; i++) { 351 if (qede_is_irrelevant_stat(edev, i)) 352 continue; 353 strcpy(buf, qede_stats_arr[i].string); 354 buf += ETH_GSTRING_LEN; 355 } 356 } 357 358 static void qede_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 359 { 360 struct qede_dev *edev = netdev_priv(dev); 361 362 switch (stringset) { 363 case ETH_SS_STATS: 364 qede_get_strings_stats(edev, buf); 365 break; 366 case ETH_SS_PRIV_FLAGS: 367 memcpy(buf, qede_private_arr, 368 ETH_GSTRING_LEN * QEDE_PRI_FLAG_LEN); 369 break; 370 case ETH_SS_TEST: 371 memcpy(buf, qede_tests_str_arr, 372 ETH_GSTRING_LEN * QEDE_ETHTOOL_TEST_MAX); 373 break; 374 default: 375 DP_VERBOSE(edev, QED_MSG_DEBUG, 376 "Unsupported stringset 0x%08x\n", stringset); 377 } 378 } 379 380 static void qede_get_ethtool_stats_txq(struct qede_tx_queue *txq, u64 **buf) 381 { 382 int i; 383 384 for (i = 0; i < QEDE_NUM_TQSTATS; i++) { 385 **buf = *((u64 *)(((void *)txq) + qede_tqstats_arr[i].offset)); 386 (*buf)++; 387 } 388 } 389 390 static void qede_get_ethtool_stats_rxq(struct qede_rx_queue *rxq, u64 **buf) 391 { 392 int i; 393 394 for (i = 0; i < QEDE_NUM_RQSTATS; i++) { 395 **buf = *((u64 *)(((void *)rxq) + qede_rqstats_arr[i].offset)); 396 (*buf)++; 397 } 398 } 399 400 static void qede_get_ethtool_stats(struct net_device *dev, 401 struct ethtool_stats *stats, u64 *buf) 402 { 403 struct qede_dev *edev = netdev_priv(dev); 404 struct qede_fastpath *fp; 405 int i; 406 407 qede_fill_by_demand_stats(edev); 408 409 /* Need to protect the access to the fastpath array */ 410 __qede_lock(edev); 411 412 for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { 413 fp = &edev->fp_array[i]; 414 415 if (fp->type & QEDE_FASTPATH_RX) 416 qede_get_ethtool_stats_rxq(fp->rxq, &buf); 417 418 if (fp->type & QEDE_FASTPATH_XDP) 419 qede_get_ethtool_stats_txq(fp->xdp_tx, &buf); 420 421 if (fp->type & QEDE_FASTPATH_TX) { 422 int cos; 423 424 for_each_cos_in_txq(edev, cos) 425 qede_get_ethtool_stats_txq(&fp->txq[cos], &buf); 426 } 427 } 428 429 for (i = 0; i < QEDE_NUM_STATS; i++) { 430 if (qede_is_irrelevant_stat(edev, i)) 431 continue; 432 *buf = *((u64 *)(((void *)&edev->stats) + 433 qede_stats_arr[i].offset)); 434 435 buf++; 436 } 437 438 __qede_unlock(edev); 439 } 440 441 static int qede_get_sset_count(struct net_device *dev, int stringset) 442 { 443 struct qede_dev *edev = netdev_priv(dev); 444 int num_stats = QEDE_NUM_STATS, i; 445 446 switch (stringset) { 447 case ETH_SS_STATS: 448 for (i = 0; i < QEDE_NUM_STATS; i++) 449 if (qede_is_irrelevant_stat(edev, i)) 450 num_stats--; 451 452 /* Account for the Regular Tx statistics */ 453 num_stats += QEDE_TSS_COUNT(edev) * QEDE_NUM_TQSTATS * 454 edev->dev_info.num_tc; 455 456 /* Account for the Regular Rx statistics */ 457 num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_RQSTATS; 458 459 /* Account for XDP statistics [if needed] */ 460 if (edev->xdp_prog) 461 num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_TQSTATS; 462 return num_stats; 463 464 case ETH_SS_PRIV_FLAGS: 465 return QEDE_PRI_FLAG_LEN; 466 case ETH_SS_TEST: 467 if (!IS_VF(edev)) 468 return QEDE_ETHTOOL_TEST_MAX; 469 else 470 return 0; 471 default: 472 DP_VERBOSE(edev, QED_MSG_DEBUG, 473 "Unsupported stringset 0x%08x\n", stringset); 474 return -EINVAL; 475 } 476 } 477 478 static u32 qede_get_priv_flags(struct net_device *dev) 479 { 480 struct qede_dev *edev = netdev_priv(dev); 481 u32 flags = 0; 482 483 if (edev->dev_info.common.num_hwfns > 1) 484 flags |= BIT(QEDE_PRI_FLAG_CMT); 485 486 if (edev->dev_info.common.smart_an) 487 flags |= BIT(QEDE_PRI_FLAG_SMART_AN_SUPPORT); 488 489 if (edev->err_flags & BIT(QEDE_ERR_IS_RECOVERABLE)) 490 flags |= BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR); 491 492 return flags; 493 } 494 495 static int qede_set_priv_flags(struct net_device *dev, u32 flags) 496 { 497 struct qede_dev *edev = netdev_priv(dev); 498 u32 cflags = qede_get_priv_flags(dev); 499 u32 dflags = flags ^ cflags; 500 501 /* can only change RECOVER_ON_ERROR flag */ 502 if (dflags & ~BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR)) 503 return -EINVAL; 504 505 if (flags & BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR)) 506 set_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags); 507 else 508 clear_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags); 509 510 return 0; 511 } 512 513 static int qede_get_link_ksettings(struct net_device *dev, 514 struct ethtool_link_ksettings *cmd) 515 { 516 typeof(cmd->link_modes) *link_modes = &cmd->link_modes; 517 struct ethtool_link_settings *base = &cmd->base; 518 struct qede_dev *edev = netdev_priv(dev); 519 struct qed_link_output current_link; 520 521 __qede_lock(edev); 522 523 memset(¤t_link, 0, sizeof(current_link)); 524 edev->ops->common->get_link(edev->cdev, ¤t_link); 525 526 linkmode_copy(link_modes->supported, current_link.supported_caps); 527 linkmode_copy(link_modes->advertising, current_link.advertised_caps); 528 linkmode_copy(link_modes->lp_advertising, current_link.lp_caps); 529 530 if ((edev->state == QEDE_STATE_OPEN) && (current_link.link_up)) { 531 base->speed = current_link.speed; 532 base->duplex = current_link.duplex; 533 } else { 534 base->speed = SPEED_UNKNOWN; 535 base->duplex = DUPLEX_UNKNOWN; 536 } 537 538 __qede_unlock(edev); 539 540 base->port = current_link.port; 541 base->autoneg = (current_link.autoneg) ? AUTONEG_ENABLE : 542 AUTONEG_DISABLE; 543 544 return 0; 545 } 546 547 static int qede_set_link_ksettings(struct net_device *dev, 548 const struct ethtool_link_ksettings *cmd) 549 { 550 const struct ethtool_link_settings *base = &cmd->base; 551 struct qede_dev *edev = netdev_priv(dev); 552 const struct qede_forced_speed_map *map; 553 struct qed_link_output current_link; 554 struct qed_link_params params; 555 u32 i; 556 557 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 558 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 559 return -EOPNOTSUPP; 560 } 561 memset(¤t_link, 0, sizeof(current_link)); 562 memset(¶ms, 0, sizeof(params)); 563 edev->ops->common->get_link(edev->cdev, ¤t_link); 564 565 params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS; 566 params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG; 567 568 if (base->autoneg == AUTONEG_ENABLE) { 569 if (!phylink_test(current_link.supported_caps, Autoneg)) { 570 DP_INFO(edev, "Auto negotiation is not supported\n"); 571 return -EOPNOTSUPP; 572 } 573 574 params.autoneg = true; 575 params.forced_speed = 0; 576 577 linkmode_copy(params.adv_speeds, cmd->link_modes.advertising); 578 } else { /* forced speed */ 579 params.override_flags |= QED_LINK_OVERRIDE_SPEED_FORCED_SPEED; 580 params.autoneg = false; 581 params.forced_speed = base->speed; 582 583 for (i = 0; i < ARRAY_SIZE(qede_forced_speed_maps); i++) { 584 map = qede_forced_speed_maps + i; 585 586 if (base->speed != map->speed || 587 !linkmode_intersects(current_link.supported_caps, 588 map->caps)) 589 continue; 590 591 linkmode_and(params.adv_speeds, 592 current_link.supported_caps, map->caps); 593 goto set_link; 594 } 595 596 DP_INFO(edev, "Unsupported speed %u\n", base->speed); 597 return -EINVAL; 598 } 599 600 set_link: 601 params.link_up = true; 602 edev->ops->common->set_link(edev->cdev, ¶ms); 603 604 return 0; 605 } 606 607 static void qede_get_drvinfo(struct net_device *ndev, 608 struct ethtool_drvinfo *info) 609 { 610 char mfw[ETHTOOL_FWVERS_LEN], storm[ETHTOOL_FWVERS_LEN]; 611 struct qede_dev *edev = netdev_priv(ndev); 612 char mbi[ETHTOOL_FWVERS_LEN]; 613 614 strlcpy(info->driver, "qede", sizeof(info->driver)); 615 616 snprintf(storm, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d", 617 edev->dev_info.common.fw_major, 618 edev->dev_info.common.fw_minor, 619 edev->dev_info.common.fw_rev, 620 edev->dev_info.common.fw_eng); 621 622 snprintf(mfw, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d", 623 (edev->dev_info.common.mfw_rev >> 24) & 0xFF, 624 (edev->dev_info.common.mfw_rev >> 16) & 0xFF, 625 (edev->dev_info.common.mfw_rev >> 8) & 0xFF, 626 edev->dev_info.common.mfw_rev & 0xFF); 627 628 if ((strlen(storm) + strlen("[storm]")) < 629 sizeof(info->version)) 630 snprintf(info->version, sizeof(info->version), 631 "[storm %s]", storm); 632 else 633 snprintf(info->version, sizeof(info->version), 634 "%s", storm); 635 636 if (edev->dev_info.common.mbi_version) { 637 snprintf(mbi, ETHTOOL_FWVERS_LEN, "%d.%d.%d", 638 (edev->dev_info.common.mbi_version & 639 QED_MBI_VERSION_2_MASK) >> QED_MBI_VERSION_2_OFFSET, 640 (edev->dev_info.common.mbi_version & 641 QED_MBI_VERSION_1_MASK) >> QED_MBI_VERSION_1_OFFSET, 642 (edev->dev_info.common.mbi_version & 643 QED_MBI_VERSION_0_MASK) >> QED_MBI_VERSION_0_OFFSET); 644 snprintf(info->fw_version, sizeof(info->fw_version), 645 "mbi %s [mfw %s]", mbi, mfw); 646 } else { 647 snprintf(info->fw_version, sizeof(info->fw_version), 648 "mfw %s", mfw); 649 } 650 651 strlcpy(info->bus_info, pci_name(edev->pdev), sizeof(info->bus_info)); 652 } 653 654 static void qede_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 655 { 656 struct qede_dev *edev = netdev_priv(ndev); 657 658 if (edev->dev_info.common.wol_support) { 659 wol->supported = WAKE_MAGIC; 660 wol->wolopts = edev->wol_enabled ? WAKE_MAGIC : 0; 661 } 662 } 663 664 static int qede_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 665 { 666 struct qede_dev *edev = netdev_priv(ndev); 667 bool wol_requested; 668 int rc; 669 670 if (wol->wolopts & ~WAKE_MAGIC) { 671 DP_INFO(edev, 672 "Can't support WoL options other than magic-packet\n"); 673 return -EINVAL; 674 } 675 676 wol_requested = !!(wol->wolopts & WAKE_MAGIC); 677 if (wol_requested == edev->wol_enabled) 678 return 0; 679 680 /* Need to actually change configuration */ 681 if (!edev->dev_info.common.wol_support) { 682 DP_INFO(edev, "Device doesn't support WoL\n"); 683 return -EINVAL; 684 } 685 686 rc = edev->ops->common->update_wol(edev->cdev, wol_requested); 687 if (!rc) 688 edev->wol_enabled = wol_requested; 689 690 return rc; 691 } 692 693 static u32 qede_get_msglevel(struct net_device *ndev) 694 { 695 struct qede_dev *edev = netdev_priv(ndev); 696 697 return ((u32)edev->dp_level << QED_LOG_LEVEL_SHIFT) | edev->dp_module; 698 } 699 700 static void qede_set_msglevel(struct net_device *ndev, u32 level) 701 { 702 struct qede_dev *edev = netdev_priv(ndev); 703 u32 dp_module = 0; 704 u8 dp_level = 0; 705 706 qede_config_debug(level, &dp_module, &dp_level); 707 708 edev->dp_level = dp_level; 709 edev->dp_module = dp_module; 710 edev->ops->common->update_msglvl(edev->cdev, 711 dp_module, dp_level); 712 } 713 714 static int qede_nway_reset(struct net_device *dev) 715 { 716 struct qede_dev *edev = netdev_priv(dev); 717 struct qed_link_output current_link; 718 struct qed_link_params link_params; 719 720 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 721 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 722 return -EOPNOTSUPP; 723 } 724 725 if (!netif_running(dev)) 726 return 0; 727 728 memset(¤t_link, 0, sizeof(current_link)); 729 edev->ops->common->get_link(edev->cdev, ¤t_link); 730 if (!current_link.link_up) 731 return 0; 732 733 /* Toggle the link */ 734 memset(&link_params, 0, sizeof(link_params)); 735 link_params.link_up = false; 736 edev->ops->common->set_link(edev->cdev, &link_params); 737 link_params.link_up = true; 738 edev->ops->common->set_link(edev->cdev, &link_params); 739 740 return 0; 741 } 742 743 static u32 qede_get_link(struct net_device *dev) 744 { 745 struct qede_dev *edev = netdev_priv(dev); 746 struct qed_link_output current_link; 747 748 memset(¤t_link, 0, sizeof(current_link)); 749 edev->ops->common->get_link(edev->cdev, ¤t_link); 750 751 return current_link.link_up; 752 } 753 754 static int qede_flash_device(struct net_device *dev, 755 struct ethtool_flash *flash) 756 { 757 struct qede_dev *edev = netdev_priv(dev); 758 759 return edev->ops->common->nvm_flash(edev->cdev, flash->data); 760 } 761 762 static int qede_get_coalesce(struct net_device *dev, 763 struct ethtool_coalesce *coal, 764 struct kernel_ethtool_coalesce *kernel_coal, 765 struct netlink_ext_ack *extack) 766 { 767 void *rx_handle = NULL, *tx_handle = NULL; 768 struct qede_dev *edev = netdev_priv(dev); 769 u16 rx_coal, tx_coal, i, rc = 0; 770 struct qede_fastpath *fp; 771 772 rx_coal = QED_DEFAULT_RX_USECS; 773 tx_coal = QED_DEFAULT_TX_USECS; 774 775 memset(coal, 0, sizeof(struct ethtool_coalesce)); 776 777 __qede_lock(edev); 778 if (edev->state == QEDE_STATE_OPEN) { 779 for_each_queue(i) { 780 fp = &edev->fp_array[i]; 781 782 if (fp->type & QEDE_FASTPATH_RX) { 783 rx_handle = fp->rxq->handle; 784 break; 785 } 786 } 787 788 rc = edev->ops->get_coalesce(edev->cdev, &rx_coal, rx_handle); 789 if (rc) { 790 DP_INFO(edev, "Read Rx coalesce error\n"); 791 goto out; 792 } 793 794 for_each_queue(i) { 795 struct qede_tx_queue *txq; 796 797 fp = &edev->fp_array[i]; 798 799 /* All TX queues of given fastpath uses same 800 * coalescing value, so no need to iterate over 801 * all TCs, TC0 txq should suffice. 802 */ 803 if (fp->type & QEDE_FASTPATH_TX) { 804 txq = QEDE_FP_TC0_TXQ(fp); 805 tx_handle = txq->handle; 806 break; 807 } 808 } 809 810 rc = edev->ops->get_coalesce(edev->cdev, &tx_coal, tx_handle); 811 if (rc) 812 DP_INFO(edev, "Read Tx coalesce error\n"); 813 } 814 815 out: 816 __qede_unlock(edev); 817 818 coal->rx_coalesce_usecs = rx_coal; 819 coal->tx_coalesce_usecs = tx_coal; 820 821 return rc; 822 } 823 824 int qede_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal, 825 struct kernel_ethtool_coalesce *kernel_coal, 826 struct netlink_ext_ack *extack) 827 { 828 struct qede_dev *edev = netdev_priv(dev); 829 struct qede_fastpath *fp; 830 int i, rc = 0; 831 u16 rxc, txc; 832 833 if (!netif_running(dev)) { 834 DP_INFO(edev, "Interface is down\n"); 835 return -EINVAL; 836 } 837 838 if (coal->rx_coalesce_usecs > QED_COALESCE_MAX || 839 coal->tx_coalesce_usecs > QED_COALESCE_MAX) { 840 DP_INFO(edev, 841 "Can't support requested %s coalesce value [max supported value %d]\n", 842 coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx" : 843 "tx", QED_COALESCE_MAX); 844 return -EINVAL; 845 } 846 847 rxc = (u16)coal->rx_coalesce_usecs; 848 txc = (u16)coal->tx_coalesce_usecs; 849 for_each_queue(i) { 850 fp = &edev->fp_array[i]; 851 852 if (edev->fp_array[i].type & QEDE_FASTPATH_RX) { 853 rc = edev->ops->common->set_coalesce(edev->cdev, 854 rxc, 0, 855 fp->rxq->handle); 856 if (rc) { 857 DP_INFO(edev, 858 "Set RX coalesce error, rc = %d\n", rc); 859 return rc; 860 } 861 edev->coal_entry[i].rxc = rxc; 862 edev->coal_entry[i].isvalid = true; 863 } 864 865 if (edev->fp_array[i].type & QEDE_FASTPATH_TX) { 866 struct qede_tx_queue *txq; 867 868 /* All TX queues of given fastpath uses same 869 * coalescing value, so no need to iterate over 870 * all TCs, TC0 txq should suffice. 871 */ 872 txq = QEDE_FP_TC0_TXQ(fp); 873 874 rc = edev->ops->common->set_coalesce(edev->cdev, 875 0, txc, 876 txq->handle); 877 if (rc) { 878 DP_INFO(edev, 879 "Set TX coalesce error, rc = %d\n", rc); 880 return rc; 881 } 882 edev->coal_entry[i].txc = txc; 883 edev->coal_entry[i].isvalid = true; 884 } 885 } 886 887 return rc; 888 } 889 890 static void qede_get_ringparam(struct net_device *dev, 891 struct ethtool_ringparam *ering) 892 { 893 struct qede_dev *edev = netdev_priv(dev); 894 895 ering->rx_max_pending = NUM_RX_BDS_MAX; 896 ering->rx_pending = edev->q_num_rx_buffers; 897 ering->tx_max_pending = NUM_TX_BDS_MAX; 898 ering->tx_pending = edev->q_num_tx_buffers; 899 } 900 901 static int qede_set_ringparam(struct net_device *dev, 902 struct ethtool_ringparam *ering) 903 { 904 struct qede_dev *edev = netdev_priv(dev); 905 906 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 907 "Set ring params command parameters: rx_pending = %d, tx_pending = %d\n", 908 ering->rx_pending, ering->tx_pending); 909 910 /* Validate legality of configuration */ 911 if (ering->rx_pending > NUM_RX_BDS_MAX || 912 ering->rx_pending < NUM_RX_BDS_MIN || 913 ering->tx_pending > NUM_TX_BDS_MAX || 914 ering->tx_pending < NUM_TX_BDS_MIN) { 915 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 916 "Can only support Rx Buffer size [0%08x,...,0x%08x] and Tx Buffer size [0x%08x,...,0x%08x]\n", 917 NUM_RX_BDS_MIN, NUM_RX_BDS_MAX, 918 NUM_TX_BDS_MIN, NUM_TX_BDS_MAX); 919 return -EINVAL; 920 } 921 922 /* Change ring size and re-load */ 923 edev->q_num_rx_buffers = ering->rx_pending; 924 edev->q_num_tx_buffers = ering->tx_pending; 925 926 qede_reload(edev, NULL, false); 927 928 return 0; 929 } 930 931 static void qede_get_pauseparam(struct net_device *dev, 932 struct ethtool_pauseparam *epause) 933 { 934 struct qede_dev *edev = netdev_priv(dev); 935 struct qed_link_output current_link; 936 937 memset(¤t_link, 0, sizeof(current_link)); 938 edev->ops->common->get_link(edev->cdev, ¤t_link); 939 940 if (current_link.pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE) 941 epause->autoneg = true; 942 if (current_link.pause_config & QED_LINK_PAUSE_RX_ENABLE) 943 epause->rx_pause = true; 944 if (current_link.pause_config & QED_LINK_PAUSE_TX_ENABLE) 945 epause->tx_pause = true; 946 947 DP_VERBOSE(edev, QED_MSG_DEBUG, 948 "ethtool_pauseparam: cmd %d autoneg %d rx_pause %d tx_pause %d\n", 949 epause->cmd, epause->autoneg, epause->rx_pause, 950 epause->tx_pause); 951 } 952 953 static int qede_set_pauseparam(struct net_device *dev, 954 struct ethtool_pauseparam *epause) 955 { 956 struct qede_dev *edev = netdev_priv(dev); 957 struct qed_link_params params; 958 struct qed_link_output current_link; 959 960 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 961 DP_INFO(edev, 962 "Pause settings are not allowed to be changed\n"); 963 return -EOPNOTSUPP; 964 } 965 966 memset(¤t_link, 0, sizeof(current_link)); 967 edev->ops->common->get_link(edev->cdev, ¤t_link); 968 969 memset(¶ms, 0, sizeof(params)); 970 params.override_flags |= QED_LINK_OVERRIDE_PAUSE_CONFIG; 971 972 if (epause->autoneg) { 973 if (!phylink_test(current_link.supported_caps, Autoneg)) { 974 DP_INFO(edev, "autoneg not supported\n"); 975 return -EINVAL; 976 } 977 978 params.pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE; 979 } 980 981 if (epause->rx_pause) 982 params.pause_config |= QED_LINK_PAUSE_RX_ENABLE; 983 if (epause->tx_pause) 984 params.pause_config |= QED_LINK_PAUSE_TX_ENABLE; 985 986 params.link_up = true; 987 edev->ops->common->set_link(edev->cdev, ¶ms); 988 989 return 0; 990 } 991 992 static void qede_get_regs(struct net_device *ndev, 993 struct ethtool_regs *regs, void *buffer) 994 { 995 struct qede_dev *edev = netdev_priv(ndev); 996 997 regs->version = 0; 998 memset(buffer, 0, regs->len); 999 1000 if (edev->ops && edev->ops->common) 1001 edev->ops->common->dbg_all_data(edev->cdev, buffer); 1002 } 1003 1004 static int qede_get_regs_len(struct net_device *ndev) 1005 { 1006 struct qede_dev *edev = netdev_priv(ndev); 1007 1008 if (edev->ops && edev->ops->common) 1009 return edev->ops->common->dbg_all_data_size(edev->cdev); 1010 else 1011 return -EINVAL; 1012 } 1013 1014 static void qede_update_mtu(struct qede_dev *edev, 1015 struct qede_reload_args *args) 1016 { 1017 edev->ndev->mtu = args->u.mtu; 1018 } 1019 1020 /* Netdevice NDOs */ 1021 int qede_change_mtu(struct net_device *ndev, int new_mtu) 1022 { 1023 struct qede_dev *edev = netdev_priv(ndev); 1024 struct qede_reload_args args; 1025 1026 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1027 "Configuring MTU size of %d\n", new_mtu); 1028 1029 if (new_mtu > PAGE_SIZE) 1030 ndev->features &= ~NETIF_F_GRO_HW; 1031 1032 /* Set the mtu field and re-start the interface if needed */ 1033 args.u.mtu = new_mtu; 1034 args.func = &qede_update_mtu; 1035 qede_reload(edev, &args, false); 1036 #if IS_ENABLED(CONFIG_QED_RDMA) 1037 qede_rdma_event_change_mtu(edev); 1038 #endif 1039 edev->ops->common->update_mtu(edev->cdev, new_mtu); 1040 1041 return 0; 1042 } 1043 1044 static void qede_get_channels(struct net_device *dev, 1045 struct ethtool_channels *channels) 1046 { 1047 struct qede_dev *edev = netdev_priv(dev); 1048 1049 channels->max_combined = QEDE_MAX_RSS_CNT(edev); 1050 channels->max_rx = QEDE_MAX_RSS_CNT(edev); 1051 channels->max_tx = QEDE_MAX_RSS_CNT(edev); 1052 channels->combined_count = QEDE_QUEUE_CNT(edev) - edev->fp_num_tx - 1053 edev->fp_num_rx; 1054 channels->tx_count = edev->fp_num_tx; 1055 channels->rx_count = edev->fp_num_rx; 1056 } 1057 1058 static int qede_set_channels(struct net_device *dev, 1059 struct ethtool_channels *channels) 1060 { 1061 struct qede_dev *edev = netdev_priv(dev); 1062 u32 count; 1063 1064 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1065 "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n", 1066 channels->rx_count, channels->tx_count, 1067 channels->other_count, channels->combined_count); 1068 1069 count = channels->rx_count + channels->tx_count + 1070 channels->combined_count; 1071 1072 /* We don't support `other' channels */ 1073 if (channels->other_count) { 1074 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1075 "command parameters not supported\n"); 1076 return -EINVAL; 1077 } 1078 1079 if (!(channels->combined_count || (channels->rx_count && 1080 channels->tx_count))) { 1081 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1082 "need to request at least one transmit and one receive channel\n"); 1083 return -EINVAL; 1084 } 1085 1086 if (count > QEDE_MAX_RSS_CNT(edev)) { 1087 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1088 "requested channels = %d max supported channels = %d\n", 1089 count, QEDE_MAX_RSS_CNT(edev)); 1090 return -EINVAL; 1091 } 1092 1093 /* Check if there was a change in the active parameters */ 1094 if ((count == QEDE_QUEUE_CNT(edev)) && 1095 (channels->tx_count == edev->fp_num_tx) && 1096 (channels->rx_count == edev->fp_num_rx)) { 1097 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1098 "No change in active parameters\n"); 1099 return 0; 1100 } 1101 1102 /* We need the number of queues to be divisible between the hwfns */ 1103 if ((count % edev->dev_info.common.num_hwfns) || 1104 (channels->tx_count % edev->dev_info.common.num_hwfns) || 1105 (channels->rx_count % edev->dev_info.common.num_hwfns)) { 1106 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1107 "Number of channels must be divisible by %04x\n", 1108 edev->dev_info.common.num_hwfns); 1109 return -EINVAL; 1110 } 1111 1112 /* Set number of queues and reload if necessary */ 1113 edev->req_queues = count; 1114 edev->req_num_tx = channels->tx_count; 1115 edev->req_num_rx = channels->rx_count; 1116 /* Reset the indirection table if rx queue count is updated */ 1117 if ((edev->req_queues - edev->req_num_tx) != QEDE_RSS_COUNT(edev)) { 1118 edev->rss_params_inited &= ~QEDE_RSS_INDIR_INITED; 1119 memset(edev->rss_ind_table, 0, sizeof(edev->rss_ind_table)); 1120 } 1121 1122 qede_reload(edev, NULL, false); 1123 1124 return 0; 1125 } 1126 1127 static int qede_get_ts_info(struct net_device *dev, 1128 struct ethtool_ts_info *info) 1129 { 1130 struct qede_dev *edev = netdev_priv(dev); 1131 1132 return qede_ptp_get_ts_info(edev, info); 1133 } 1134 1135 static int qede_set_phys_id(struct net_device *dev, 1136 enum ethtool_phys_id_state state) 1137 { 1138 struct qede_dev *edev = netdev_priv(dev); 1139 u8 led_state = 0; 1140 1141 switch (state) { 1142 case ETHTOOL_ID_ACTIVE: 1143 return 1; /* cycle on/off once per second */ 1144 1145 case ETHTOOL_ID_ON: 1146 led_state = QED_LED_MODE_ON; 1147 break; 1148 1149 case ETHTOOL_ID_OFF: 1150 led_state = QED_LED_MODE_OFF; 1151 break; 1152 1153 case ETHTOOL_ID_INACTIVE: 1154 led_state = QED_LED_MODE_RESTORE; 1155 break; 1156 } 1157 1158 edev->ops->common->set_led(edev->cdev, led_state); 1159 1160 return 0; 1161 } 1162 1163 static int qede_get_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info) 1164 { 1165 info->data = RXH_IP_SRC | RXH_IP_DST; 1166 1167 switch (info->flow_type) { 1168 case TCP_V4_FLOW: 1169 case TCP_V6_FLOW: 1170 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1171 break; 1172 case UDP_V4_FLOW: 1173 if (edev->rss_caps & QED_RSS_IPV4_UDP) 1174 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1175 break; 1176 case UDP_V6_FLOW: 1177 if (edev->rss_caps & QED_RSS_IPV6_UDP) 1178 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1179 break; 1180 case IPV4_FLOW: 1181 case IPV6_FLOW: 1182 break; 1183 default: 1184 info->data = 0; 1185 break; 1186 } 1187 1188 return 0; 1189 } 1190 1191 static int qede_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 1192 u32 *rule_locs) 1193 { 1194 struct qede_dev *edev = netdev_priv(dev); 1195 int rc = 0; 1196 1197 switch (info->cmd) { 1198 case ETHTOOL_GRXRINGS: 1199 info->data = QEDE_RSS_COUNT(edev); 1200 break; 1201 case ETHTOOL_GRXFH: 1202 rc = qede_get_rss_flags(edev, info); 1203 break; 1204 case ETHTOOL_GRXCLSRLCNT: 1205 info->rule_cnt = qede_get_arfs_filter_count(edev); 1206 info->data = QEDE_RFS_MAX_FLTR; 1207 break; 1208 case ETHTOOL_GRXCLSRULE: 1209 rc = qede_get_cls_rule_entry(edev, info); 1210 break; 1211 case ETHTOOL_GRXCLSRLALL: 1212 rc = qede_get_cls_rule_all(edev, info, rule_locs); 1213 break; 1214 default: 1215 DP_ERR(edev, "Command parameters not supported\n"); 1216 rc = -EOPNOTSUPP; 1217 } 1218 1219 return rc; 1220 } 1221 1222 static int qede_set_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info) 1223 { 1224 struct qed_update_vport_params *vport_update_params; 1225 u8 set_caps = 0, clr_caps = 0; 1226 int rc = 0; 1227 1228 DP_VERBOSE(edev, QED_MSG_DEBUG, 1229 "Set rss flags command parameters: flow type = %d, data = %llu\n", 1230 info->flow_type, info->data); 1231 1232 switch (info->flow_type) { 1233 case TCP_V4_FLOW: 1234 case TCP_V6_FLOW: 1235 /* For TCP only 4-tuple hash is supported */ 1236 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST | 1237 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1238 DP_INFO(edev, "Command parameters not supported\n"); 1239 return -EINVAL; 1240 } 1241 return 0; 1242 case UDP_V4_FLOW: 1243 /* For UDP either 2-tuple hash or 4-tuple hash is supported */ 1244 if (info->data == (RXH_IP_SRC | RXH_IP_DST | 1245 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1246 set_caps = QED_RSS_IPV4_UDP; 1247 DP_VERBOSE(edev, QED_MSG_DEBUG, 1248 "UDP 4-tuple enabled\n"); 1249 } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) { 1250 clr_caps = QED_RSS_IPV4_UDP; 1251 DP_VERBOSE(edev, QED_MSG_DEBUG, 1252 "UDP 4-tuple disabled\n"); 1253 } else { 1254 return -EINVAL; 1255 } 1256 break; 1257 case UDP_V6_FLOW: 1258 /* For UDP either 2-tuple hash or 4-tuple hash is supported */ 1259 if (info->data == (RXH_IP_SRC | RXH_IP_DST | 1260 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1261 set_caps = QED_RSS_IPV6_UDP; 1262 DP_VERBOSE(edev, QED_MSG_DEBUG, 1263 "UDP 4-tuple enabled\n"); 1264 } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) { 1265 clr_caps = QED_RSS_IPV6_UDP; 1266 DP_VERBOSE(edev, QED_MSG_DEBUG, 1267 "UDP 4-tuple disabled\n"); 1268 } else { 1269 return -EINVAL; 1270 } 1271 break; 1272 case IPV4_FLOW: 1273 case IPV6_FLOW: 1274 /* For IP only 2-tuple hash is supported */ 1275 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) { 1276 DP_INFO(edev, "Command parameters not supported\n"); 1277 return -EINVAL; 1278 } 1279 return 0; 1280 case SCTP_V4_FLOW: 1281 case AH_ESP_V4_FLOW: 1282 case AH_V4_FLOW: 1283 case ESP_V4_FLOW: 1284 case SCTP_V6_FLOW: 1285 case AH_ESP_V6_FLOW: 1286 case AH_V6_FLOW: 1287 case ESP_V6_FLOW: 1288 case IP_USER_FLOW: 1289 case ETHER_FLOW: 1290 /* RSS is not supported for these protocols */ 1291 if (info->data) { 1292 DP_INFO(edev, "Command parameters not supported\n"); 1293 return -EINVAL; 1294 } 1295 return 0; 1296 default: 1297 return -EINVAL; 1298 } 1299 1300 /* No action is needed if there is no change in the rss capability */ 1301 if (edev->rss_caps == ((edev->rss_caps & ~clr_caps) | set_caps)) 1302 return 0; 1303 1304 /* Update internal configuration */ 1305 edev->rss_caps = ((edev->rss_caps & ~clr_caps) | set_caps); 1306 edev->rss_params_inited |= QEDE_RSS_CAPS_INITED; 1307 1308 /* Re-configure if possible */ 1309 __qede_lock(edev); 1310 if (edev->state == QEDE_STATE_OPEN) { 1311 vport_update_params = vzalloc(sizeof(*vport_update_params)); 1312 if (!vport_update_params) { 1313 __qede_unlock(edev); 1314 return -ENOMEM; 1315 } 1316 qede_fill_rss_params(edev, &vport_update_params->rss_params, 1317 &vport_update_params->update_rss_flg); 1318 rc = edev->ops->vport_update(edev->cdev, vport_update_params); 1319 vfree(vport_update_params); 1320 } 1321 __qede_unlock(edev); 1322 1323 return rc; 1324 } 1325 1326 static int qede_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info) 1327 { 1328 struct qede_dev *edev = netdev_priv(dev); 1329 int rc; 1330 1331 switch (info->cmd) { 1332 case ETHTOOL_SRXFH: 1333 rc = qede_set_rss_flags(edev, info); 1334 break; 1335 case ETHTOOL_SRXCLSRLINS: 1336 rc = qede_add_cls_rule(edev, info); 1337 break; 1338 case ETHTOOL_SRXCLSRLDEL: 1339 rc = qede_delete_flow_filter(edev, info->fs.location); 1340 break; 1341 default: 1342 DP_INFO(edev, "Command parameters not supported\n"); 1343 rc = -EOPNOTSUPP; 1344 } 1345 1346 return rc; 1347 } 1348 1349 static u32 qede_get_rxfh_indir_size(struct net_device *dev) 1350 { 1351 return QED_RSS_IND_TABLE_SIZE; 1352 } 1353 1354 static u32 qede_get_rxfh_key_size(struct net_device *dev) 1355 { 1356 struct qede_dev *edev = netdev_priv(dev); 1357 1358 return sizeof(edev->rss_key); 1359 } 1360 1361 static int qede_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc) 1362 { 1363 struct qede_dev *edev = netdev_priv(dev); 1364 int i; 1365 1366 if (hfunc) 1367 *hfunc = ETH_RSS_HASH_TOP; 1368 1369 if (!indir) 1370 return 0; 1371 1372 for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) 1373 indir[i] = edev->rss_ind_table[i]; 1374 1375 if (key) 1376 memcpy(key, edev->rss_key, qede_get_rxfh_key_size(dev)); 1377 1378 return 0; 1379 } 1380 1381 static int qede_set_rxfh(struct net_device *dev, const u32 *indir, 1382 const u8 *key, const u8 hfunc) 1383 { 1384 struct qed_update_vport_params *vport_update_params; 1385 struct qede_dev *edev = netdev_priv(dev); 1386 int i, rc = 0; 1387 1388 if (edev->dev_info.common.num_hwfns > 1) { 1389 DP_INFO(edev, 1390 "RSS configuration is not supported for 100G devices\n"); 1391 return -EOPNOTSUPP; 1392 } 1393 1394 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1395 return -EOPNOTSUPP; 1396 1397 if (!indir && !key) 1398 return 0; 1399 1400 if (indir) { 1401 for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) 1402 edev->rss_ind_table[i] = indir[i]; 1403 edev->rss_params_inited |= QEDE_RSS_INDIR_INITED; 1404 } 1405 1406 if (key) { 1407 memcpy(&edev->rss_key, key, qede_get_rxfh_key_size(dev)); 1408 edev->rss_params_inited |= QEDE_RSS_KEY_INITED; 1409 } 1410 1411 __qede_lock(edev); 1412 if (edev->state == QEDE_STATE_OPEN) { 1413 vport_update_params = vzalloc(sizeof(*vport_update_params)); 1414 if (!vport_update_params) { 1415 __qede_unlock(edev); 1416 return -ENOMEM; 1417 } 1418 qede_fill_rss_params(edev, &vport_update_params->rss_params, 1419 &vport_update_params->update_rss_flg); 1420 rc = edev->ops->vport_update(edev->cdev, vport_update_params); 1421 vfree(vport_update_params); 1422 } 1423 __qede_unlock(edev); 1424 1425 return rc; 1426 } 1427 1428 /* This function enables the interrupt generation and the NAPI on the device */ 1429 static void qede_netif_start(struct qede_dev *edev) 1430 { 1431 int i; 1432 1433 if (!netif_running(edev->ndev)) 1434 return; 1435 1436 for_each_queue(i) { 1437 /* Update and reenable interrupts */ 1438 qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_ENABLE, 1); 1439 napi_enable(&edev->fp_array[i].napi); 1440 } 1441 } 1442 1443 /* This function disables the NAPI and the interrupt generation on the device */ 1444 static void qede_netif_stop(struct qede_dev *edev) 1445 { 1446 int i; 1447 1448 for_each_queue(i) { 1449 napi_disable(&edev->fp_array[i].napi); 1450 /* Disable interrupts */ 1451 qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_DISABLE, 0); 1452 } 1453 } 1454 1455 static int qede_selftest_transmit_traffic(struct qede_dev *edev, 1456 struct sk_buff *skb) 1457 { 1458 struct qede_tx_queue *txq = NULL; 1459 struct eth_tx_1st_bd *first_bd; 1460 dma_addr_t mapping; 1461 int i, idx; 1462 u16 val; 1463 1464 for_each_queue(i) { 1465 struct qede_fastpath *fp = &edev->fp_array[i]; 1466 1467 if (fp->type & QEDE_FASTPATH_TX) { 1468 txq = QEDE_FP_TC0_TXQ(fp); 1469 break; 1470 } 1471 } 1472 1473 if (!txq) { 1474 DP_NOTICE(edev, "Tx path is not available\n"); 1475 return -1; 1476 } 1477 1478 /* Fill the entry in the SW ring and the BDs in the FW ring */ 1479 idx = txq->sw_tx_prod; 1480 txq->sw_tx_ring.skbs[idx].skb = skb; 1481 first_bd = qed_chain_produce(&txq->tx_pbl); 1482 memset(first_bd, 0, sizeof(*first_bd)); 1483 val = 1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT; 1484 first_bd->data.bd_flags.bitfields = val; 1485 val = skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK; 1486 val = val << ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT; 1487 first_bd->data.bitfields |= cpu_to_le16(val); 1488 1489 /* Map skb linear data for DMA and set in the first BD */ 1490 mapping = dma_map_single(&edev->pdev->dev, skb->data, 1491 skb_headlen(skb), DMA_TO_DEVICE); 1492 if (unlikely(dma_mapping_error(&edev->pdev->dev, mapping))) { 1493 DP_NOTICE(edev, "SKB mapping failed\n"); 1494 return -ENOMEM; 1495 } 1496 BD_SET_UNMAP_ADDR_LEN(first_bd, mapping, skb_headlen(skb)); 1497 1498 /* update the first BD with the actual num BDs */ 1499 first_bd->data.nbds = 1; 1500 txq->sw_tx_prod = (txq->sw_tx_prod + 1) % txq->num_tx_buffers; 1501 /* 'next page' entries are counted in the producer value */ 1502 val = qed_chain_get_prod_idx(&txq->tx_pbl); 1503 txq->tx_db.data.bd_prod = cpu_to_le16(val); 1504 1505 /* wmb makes sure that the BDs data is updated before updating the 1506 * producer, otherwise FW may read old data from the BDs. 1507 */ 1508 wmb(); 1509 barrier(); 1510 writel(txq->tx_db.raw, txq->doorbell_addr); 1511 1512 for (i = 0; i < QEDE_SELFTEST_POLL_COUNT; i++) { 1513 if (qede_txq_has_work(txq)) 1514 break; 1515 usleep_range(100, 200); 1516 } 1517 1518 if (!qede_txq_has_work(txq)) { 1519 DP_NOTICE(edev, "Tx completion didn't happen\n"); 1520 return -1; 1521 } 1522 1523 first_bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl); 1524 dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(first_bd), 1525 BD_UNMAP_LEN(first_bd), DMA_TO_DEVICE); 1526 txq->sw_tx_cons = (txq->sw_tx_cons + 1) % txq->num_tx_buffers; 1527 txq->sw_tx_ring.skbs[idx].skb = NULL; 1528 1529 return 0; 1530 } 1531 1532 static int qede_selftest_receive_traffic(struct qede_dev *edev) 1533 { 1534 u16 sw_rx_index, len; 1535 struct eth_fast_path_rx_reg_cqe *fp_cqe; 1536 struct qede_rx_queue *rxq = NULL; 1537 struct sw_rx_data *sw_rx_data; 1538 union eth_rx_cqe *cqe; 1539 int i, iter, rc = 0; 1540 u8 *data_ptr; 1541 1542 for_each_queue(i) { 1543 if (edev->fp_array[i].type & QEDE_FASTPATH_RX) { 1544 rxq = edev->fp_array[i].rxq; 1545 break; 1546 } 1547 } 1548 1549 if (!rxq) { 1550 DP_NOTICE(edev, "Rx path is not available\n"); 1551 return -1; 1552 } 1553 1554 /* The packet is expected to receive on rx-queue 0 even though RSS is 1555 * enabled. This is because the queue 0 is configured as the default 1556 * queue and that the loopback traffic is not IP. 1557 */ 1558 for (iter = 0; iter < QEDE_SELFTEST_POLL_COUNT; iter++) { 1559 if (!qede_has_rx_work(rxq)) { 1560 usleep_range(100, 200); 1561 continue; 1562 } 1563 1564 /* Get the CQE from the completion ring */ 1565 cqe = (union eth_rx_cqe *)qed_chain_consume(&rxq->rx_comp_ring); 1566 1567 /* Get the data from the SW ring */ 1568 sw_rx_index = rxq->sw_rx_cons & NUM_RX_BDS_MAX; 1569 sw_rx_data = &rxq->sw_rx_ring[sw_rx_index]; 1570 fp_cqe = &cqe->fast_path_regular; 1571 len = le16_to_cpu(fp_cqe->len_on_first_bd); 1572 data_ptr = (u8 *)(page_address(sw_rx_data->data) + 1573 fp_cqe->placement_offset + 1574 sw_rx_data->page_offset + 1575 rxq->rx_headroom); 1576 if (ether_addr_equal(data_ptr, edev->ndev->dev_addr) && 1577 ether_addr_equal(data_ptr + ETH_ALEN, 1578 edev->ndev->dev_addr)) { 1579 for (i = ETH_HLEN; i < len; i++) 1580 if (data_ptr[i] != (unsigned char)(i & 0xff)) { 1581 rc = -1; 1582 break; 1583 } 1584 1585 qede_recycle_rx_bd_ring(rxq, 1); 1586 qed_chain_recycle_consumed(&rxq->rx_comp_ring); 1587 break; 1588 } 1589 1590 DP_INFO(edev, "Not the transmitted packet\n"); 1591 qede_recycle_rx_bd_ring(rxq, 1); 1592 qed_chain_recycle_consumed(&rxq->rx_comp_ring); 1593 } 1594 1595 if (iter == QEDE_SELFTEST_POLL_COUNT) { 1596 DP_NOTICE(edev, "Failed to receive the traffic\n"); 1597 return -1; 1598 } 1599 1600 qede_update_rx_prod(edev, rxq); 1601 1602 return rc; 1603 } 1604 1605 static int qede_selftest_run_loopback(struct qede_dev *edev, u32 loopback_mode) 1606 { 1607 struct qed_link_params link_params; 1608 struct sk_buff *skb = NULL; 1609 int rc = 0, i; 1610 u32 pkt_size; 1611 u8 *packet; 1612 1613 if (!netif_running(edev->ndev)) { 1614 DP_NOTICE(edev, "Interface is down\n"); 1615 return -EINVAL; 1616 } 1617 1618 qede_netif_stop(edev); 1619 1620 /* Bring up the link in Loopback mode */ 1621 memset(&link_params, 0, sizeof(link_params)); 1622 link_params.link_up = true; 1623 link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE; 1624 link_params.loopback_mode = loopback_mode; 1625 edev->ops->common->set_link(edev->cdev, &link_params); 1626 1627 /* Wait for loopback configuration to apply */ 1628 msleep_interruptible(500); 1629 1630 /* Setting max packet size to 1.5K to avoid data being split over 1631 * multiple BDs in cases where MTU > PAGE_SIZE. 1632 */ 1633 pkt_size = (((edev->ndev->mtu < ETH_DATA_LEN) ? 1634 edev->ndev->mtu : ETH_DATA_LEN) + ETH_HLEN); 1635 1636 skb = netdev_alloc_skb(edev->ndev, pkt_size); 1637 if (!skb) { 1638 DP_INFO(edev, "Can't allocate skb\n"); 1639 rc = -ENOMEM; 1640 goto test_loopback_exit; 1641 } 1642 packet = skb_put(skb, pkt_size); 1643 ether_addr_copy(packet, edev->ndev->dev_addr); 1644 ether_addr_copy(packet + ETH_ALEN, edev->ndev->dev_addr); 1645 memset(packet + (2 * ETH_ALEN), 0x77, (ETH_HLEN - (2 * ETH_ALEN))); 1646 for (i = ETH_HLEN; i < pkt_size; i++) 1647 packet[i] = (unsigned char)(i & 0xff); 1648 1649 rc = qede_selftest_transmit_traffic(edev, skb); 1650 if (rc) 1651 goto test_loopback_exit; 1652 1653 rc = qede_selftest_receive_traffic(edev); 1654 if (rc) 1655 goto test_loopback_exit; 1656 1657 DP_VERBOSE(edev, NETIF_MSG_RX_STATUS, "Loopback test successful\n"); 1658 1659 test_loopback_exit: 1660 dev_kfree_skb(skb); 1661 1662 /* Bring up the link in Normal mode */ 1663 memset(&link_params, 0, sizeof(link_params)); 1664 link_params.link_up = true; 1665 link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE; 1666 link_params.loopback_mode = QED_LINK_LOOPBACK_NONE; 1667 edev->ops->common->set_link(edev->cdev, &link_params); 1668 1669 /* Wait for loopback configuration to apply */ 1670 msleep_interruptible(500); 1671 1672 qede_netif_start(edev); 1673 1674 return rc; 1675 } 1676 1677 static void qede_self_test(struct net_device *dev, 1678 struct ethtool_test *etest, u64 *buf) 1679 { 1680 struct qede_dev *edev = netdev_priv(dev); 1681 1682 DP_VERBOSE(edev, QED_MSG_DEBUG, 1683 "Self-test command parameters: offline = %d, external_lb = %d\n", 1684 (etest->flags & ETH_TEST_FL_OFFLINE), 1685 (etest->flags & ETH_TEST_FL_EXTERNAL_LB) >> 2); 1686 1687 memset(buf, 0, sizeof(u64) * QEDE_ETHTOOL_TEST_MAX); 1688 1689 if (etest->flags & ETH_TEST_FL_OFFLINE) { 1690 if (qede_selftest_run_loopback(edev, 1691 QED_LINK_LOOPBACK_INT_PHY)) { 1692 buf[QEDE_ETHTOOL_INT_LOOPBACK] = 1; 1693 etest->flags |= ETH_TEST_FL_FAILED; 1694 } 1695 } 1696 1697 if (edev->ops->common->selftest->selftest_interrupt(edev->cdev)) { 1698 buf[QEDE_ETHTOOL_INTERRUPT_TEST] = 1; 1699 etest->flags |= ETH_TEST_FL_FAILED; 1700 } 1701 1702 if (edev->ops->common->selftest->selftest_memory(edev->cdev)) { 1703 buf[QEDE_ETHTOOL_MEMORY_TEST] = 1; 1704 etest->flags |= ETH_TEST_FL_FAILED; 1705 } 1706 1707 if (edev->ops->common->selftest->selftest_register(edev->cdev)) { 1708 buf[QEDE_ETHTOOL_REGISTER_TEST] = 1; 1709 etest->flags |= ETH_TEST_FL_FAILED; 1710 } 1711 1712 if (edev->ops->common->selftest->selftest_clock(edev->cdev)) { 1713 buf[QEDE_ETHTOOL_CLOCK_TEST] = 1; 1714 etest->flags |= ETH_TEST_FL_FAILED; 1715 } 1716 1717 if (edev->ops->common->selftest->selftest_nvram(edev->cdev)) { 1718 buf[QEDE_ETHTOOL_NVRAM_TEST] = 1; 1719 etest->flags |= ETH_TEST_FL_FAILED; 1720 } 1721 } 1722 1723 static int qede_set_tunable(struct net_device *dev, 1724 const struct ethtool_tunable *tuna, 1725 const void *data) 1726 { 1727 struct qede_dev *edev = netdev_priv(dev); 1728 u32 val; 1729 1730 switch (tuna->id) { 1731 case ETHTOOL_RX_COPYBREAK: 1732 val = *(u32 *)data; 1733 if (val < QEDE_MIN_PKT_LEN || val > QEDE_RX_HDR_SIZE) { 1734 DP_VERBOSE(edev, QED_MSG_DEBUG, 1735 "Invalid rx copy break value, range is [%u, %u]", 1736 QEDE_MIN_PKT_LEN, QEDE_RX_HDR_SIZE); 1737 return -EINVAL; 1738 } 1739 1740 edev->rx_copybreak = *(u32 *)data; 1741 break; 1742 default: 1743 return -EOPNOTSUPP; 1744 } 1745 1746 return 0; 1747 } 1748 1749 static int qede_get_tunable(struct net_device *dev, 1750 const struct ethtool_tunable *tuna, void *data) 1751 { 1752 struct qede_dev *edev = netdev_priv(dev); 1753 1754 switch (tuna->id) { 1755 case ETHTOOL_RX_COPYBREAK: 1756 *(u32 *)data = edev->rx_copybreak; 1757 break; 1758 default: 1759 return -EOPNOTSUPP; 1760 } 1761 1762 return 0; 1763 } 1764 1765 static int qede_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1766 { 1767 struct qede_dev *edev = netdev_priv(dev); 1768 struct qed_link_output current_link; 1769 1770 memset(¤t_link, 0, sizeof(current_link)); 1771 edev->ops->common->get_link(edev->cdev, ¤t_link); 1772 1773 if (!current_link.eee_supported) { 1774 DP_INFO(edev, "EEE is not supported\n"); 1775 return -EOPNOTSUPP; 1776 } 1777 1778 if (current_link.eee.adv_caps & QED_EEE_1G_ADV) 1779 edata->advertised = ADVERTISED_1000baseT_Full; 1780 if (current_link.eee.adv_caps & QED_EEE_10G_ADV) 1781 edata->advertised |= ADVERTISED_10000baseT_Full; 1782 if (current_link.sup_caps & QED_EEE_1G_ADV) 1783 edata->supported = ADVERTISED_1000baseT_Full; 1784 if (current_link.sup_caps & QED_EEE_10G_ADV) 1785 edata->supported |= ADVERTISED_10000baseT_Full; 1786 if (current_link.eee.lp_adv_caps & QED_EEE_1G_ADV) 1787 edata->lp_advertised = ADVERTISED_1000baseT_Full; 1788 if (current_link.eee.lp_adv_caps & QED_EEE_10G_ADV) 1789 edata->lp_advertised |= ADVERTISED_10000baseT_Full; 1790 1791 edata->tx_lpi_timer = current_link.eee.tx_lpi_timer; 1792 edata->eee_enabled = current_link.eee.enable; 1793 edata->tx_lpi_enabled = current_link.eee.tx_lpi_enable; 1794 edata->eee_active = current_link.eee_active; 1795 1796 return 0; 1797 } 1798 1799 static int qede_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1800 { 1801 struct qede_dev *edev = netdev_priv(dev); 1802 struct qed_link_output current_link; 1803 struct qed_link_params params; 1804 1805 if (!edev->ops->common->can_link_change(edev->cdev)) { 1806 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 1807 return -EOPNOTSUPP; 1808 } 1809 1810 memset(¤t_link, 0, sizeof(current_link)); 1811 edev->ops->common->get_link(edev->cdev, ¤t_link); 1812 1813 if (!current_link.eee_supported) { 1814 DP_INFO(edev, "EEE is not supported\n"); 1815 return -EOPNOTSUPP; 1816 } 1817 1818 memset(¶ms, 0, sizeof(params)); 1819 params.override_flags |= QED_LINK_OVERRIDE_EEE_CONFIG; 1820 1821 if (!(edata->advertised & (ADVERTISED_1000baseT_Full | 1822 ADVERTISED_10000baseT_Full)) || 1823 ((edata->advertised & (ADVERTISED_1000baseT_Full | 1824 ADVERTISED_10000baseT_Full)) != 1825 edata->advertised)) { 1826 DP_VERBOSE(edev, QED_MSG_DEBUG, 1827 "Invalid advertised capabilities %d\n", 1828 edata->advertised); 1829 return -EINVAL; 1830 } 1831 1832 if (edata->advertised & ADVERTISED_1000baseT_Full) 1833 params.eee.adv_caps = QED_EEE_1G_ADV; 1834 if (edata->advertised & ADVERTISED_10000baseT_Full) 1835 params.eee.adv_caps |= QED_EEE_10G_ADV; 1836 params.eee.enable = edata->eee_enabled; 1837 params.eee.tx_lpi_enable = edata->tx_lpi_enabled; 1838 params.eee.tx_lpi_timer = edata->tx_lpi_timer; 1839 1840 params.link_up = true; 1841 edev->ops->common->set_link(edev->cdev, ¶ms); 1842 1843 return 0; 1844 } 1845 1846 static u32 qede_link_to_ethtool_fec(u32 link_fec) 1847 { 1848 u32 eth_fec = 0; 1849 1850 if (link_fec & QED_FEC_MODE_NONE) 1851 eth_fec |= ETHTOOL_FEC_OFF; 1852 if (link_fec & QED_FEC_MODE_FIRECODE) 1853 eth_fec |= ETHTOOL_FEC_BASER; 1854 if (link_fec & QED_FEC_MODE_RS) 1855 eth_fec |= ETHTOOL_FEC_RS; 1856 if (link_fec & QED_FEC_MODE_AUTO) 1857 eth_fec |= ETHTOOL_FEC_AUTO; 1858 if (link_fec & QED_FEC_MODE_UNSUPPORTED) 1859 eth_fec |= ETHTOOL_FEC_NONE; 1860 1861 return eth_fec; 1862 } 1863 1864 static u32 qede_ethtool_to_link_fec(u32 eth_fec) 1865 { 1866 u32 link_fec = 0; 1867 1868 if (eth_fec & ETHTOOL_FEC_OFF) 1869 link_fec |= QED_FEC_MODE_NONE; 1870 if (eth_fec & ETHTOOL_FEC_BASER) 1871 link_fec |= QED_FEC_MODE_FIRECODE; 1872 if (eth_fec & ETHTOOL_FEC_RS) 1873 link_fec |= QED_FEC_MODE_RS; 1874 if (eth_fec & ETHTOOL_FEC_AUTO) 1875 link_fec |= QED_FEC_MODE_AUTO; 1876 if (eth_fec & ETHTOOL_FEC_NONE) 1877 link_fec |= QED_FEC_MODE_UNSUPPORTED; 1878 1879 return link_fec; 1880 } 1881 1882 static int qede_get_fecparam(struct net_device *dev, 1883 struct ethtool_fecparam *fecparam) 1884 { 1885 struct qede_dev *edev = netdev_priv(dev); 1886 struct qed_link_output curr_link; 1887 1888 memset(&curr_link, 0, sizeof(curr_link)); 1889 edev->ops->common->get_link(edev->cdev, &curr_link); 1890 1891 fecparam->active_fec = qede_link_to_ethtool_fec(curr_link.active_fec); 1892 fecparam->fec = qede_link_to_ethtool_fec(curr_link.sup_fec); 1893 1894 return 0; 1895 } 1896 1897 static int qede_set_fecparam(struct net_device *dev, 1898 struct ethtool_fecparam *fecparam) 1899 { 1900 struct qede_dev *edev = netdev_priv(dev); 1901 struct qed_link_params params; 1902 1903 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 1904 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 1905 return -EOPNOTSUPP; 1906 } 1907 1908 memset(¶ms, 0, sizeof(params)); 1909 params.override_flags |= QED_LINK_OVERRIDE_FEC_CONFIG; 1910 params.fec = qede_ethtool_to_link_fec(fecparam->fec); 1911 params.link_up = true; 1912 1913 edev->ops->common->set_link(edev->cdev, ¶ms); 1914 1915 return 0; 1916 } 1917 1918 static int qede_get_module_info(struct net_device *dev, 1919 struct ethtool_modinfo *modinfo) 1920 { 1921 struct qede_dev *edev = netdev_priv(dev); 1922 u8 buf[4]; 1923 int rc; 1924 1925 /* Read first 4 bytes to find the sfp type */ 1926 rc = edev->ops->common->read_module_eeprom(edev->cdev, buf, 1927 QED_I2C_DEV_ADDR_A0, 0, 4); 1928 if (rc) { 1929 DP_ERR(edev, "Failed reading EEPROM data %d\n", rc); 1930 return rc; 1931 } 1932 1933 switch (buf[0]) { 1934 case 0x3: /* SFP, SFP+, SFP-28 */ 1935 modinfo->type = ETH_MODULE_SFF_8472; 1936 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1937 break; 1938 case 0xc: /* QSFP */ 1939 case 0xd: /* QSFP+ */ 1940 modinfo->type = ETH_MODULE_SFF_8436; 1941 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 1942 break; 1943 case 0x11: /* QSFP-28 */ 1944 modinfo->type = ETH_MODULE_SFF_8636; 1945 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 1946 break; 1947 default: 1948 DP_ERR(edev, "Unknown transceiver type 0x%x\n", buf[0]); 1949 return -EINVAL; 1950 } 1951 1952 return 0; 1953 } 1954 1955 static int qede_get_module_eeprom(struct net_device *dev, 1956 struct ethtool_eeprom *ee, u8 *data) 1957 { 1958 struct qede_dev *edev = netdev_priv(dev); 1959 u32 start_addr = ee->offset, size = 0; 1960 u8 *buf = data; 1961 int rc = 0; 1962 1963 /* Read A0 section */ 1964 if (ee->offset < ETH_MODULE_SFF_8079_LEN) { 1965 /* Limit transfer size to the A0 section boundary */ 1966 if (ee->offset + ee->len > ETH_MODULE_SFF_8079_LEN) 1967 size = ETH_MODULE_SFF_8079_LEN - ee->offset; 1968 else 1969 size = ee->len; 1970 1971 rc = edev->ops->common->read_module_eeprom(edev->cdev, buf, 1972 QED_I2C_DEV_ADDR_A0, 1973 start_addr, size); 1974 if (rc) { 1975 DP_ERR(edev, "Failed reading A0 section %d\n", rc); 1976 return rc; 1977 } 1978 1979 buf += size; 1980 start_addr += size; 1981 } 1982 1983 /* Read A2 section */ 1984 if (start_addr >= ETH_MODULE_SFF_8079_LEN && 1985 start_addr < ETH_MODULE_SFF_8472_LEN) { 1986 size = ee->len - size; 1987 /* Limit transfer size to the A2 section boundary */ 1988 if (start_addr + size > ETH_MODULE_SFF_8472_LEN) 1989 size = ETH_MODULE_SFF_8472_LEN - start_addr; 1990 start_addr -= ETH_MODULE_SFF_8079_LEN; 1991 rc = edev->ops->common->read_module_eeprom(edev->cdev, buf, 1992 QED_I2C_DEV_ADDR_A2, 1993 start_addr, size); 1994 if (rc) { 1995 DP_VERBOSE(edev, QED_MSG_DEBUG, 1996 "Failed reading A2 section %d\n", rc); 1997 return 0; 1998 } 1999 } 2000 2001 return rc; 2002 } 2003 2004 static int qede_set_dump(struct net_device *dev, struct ethtool_dump *val) 2005 { 2006 struct qede_dev *edev = netdev_priv(dev); 2007 int rc = 0; 2008 2009 if (edev->dump_info.cmd == QEDE_DUMP_CMD_NONE) { 2010 if (val->flag > QEDE_DUMP_CMD_MAX) { 2011 DP_ERR(edev, "Invalid command %d\n", val->flag); 2012 return -EINVAL; 2013 } 2014 edev->dump_info.cmd = val->flag; 2015 edev->dump_info.num_args = 0; 2016 return 0; 2017 } 2018 2019 if (edev->dump_info.num_args == QEDE_DUMP_MAX_ARGS) { 2020 DP_ERR(edev, "Arg count = %d\n", edev->dump_info.num_args); 2021 return -EINVAL; 2022 } 2023 2024 switch (edev->dump_info.cmd) { 2025 case QEDE_DUMP_CMD_NVM_CFG: 2026 edev->dump_info.args[edev->dump_info.num_args] = val->flag; 2027 edev->dump_info.num_args++; 2028 break; 2029 case QEDE_DUMP_CMD_GRCDUMP: 2030 rc = edev->ops->common->set_grc_config(edev->cdev, 2031 val->flag, 1); 2032 break; 2033 default: 2034 break; 2035 } 2036 2037 return rc; 2038 } 2039 2040 static int qede_get_dump_flag(struct net_device *dev, 2041 struct ethtool_dump *dump) 2042 { 2043 struct qede_dev *edev = netdev_priv(dev); 2044 2045 if (!edev->ops || !edev->ops->common) { 2046 DP_ERR(edev, "Edev ops not populated\n"); 2047 return -EINVAL; 2048 } 2049 2050 dump->version = QEDE_DUMP_VERSION; 2051 switch (edev->dump_info.cmd) { 2052 case QEDE_DUMP_CMD_NVM_CFG: 2053 dump->flag = QEDE_DUMP_CMD_NVM_CFG; 2054 dump->len = edev->ops->common->read_nvm_cfg_len(edev->cdev, 2055 edev->dump_info.args[0]); 2056 break; 2057 case QEDE_DUMP_CMD_GRCDUMP: 2058 dump->flag = QEDE_DUMP_CMD_GRCDUMP; 2059 dump->len = edev->ops->common->dbg_all_data_size(edev->cdev); 2060 break; 2061 default: 2062 DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd); 2063 return -EINVAL; 2064 } 2065 2066 DP_VERBOSE(edev, QED_MSG_DEBUG, 2067 "dump->version = 0x%x dump->flag = %d dump->len = %d\n", 2068 dump->version, dump->flag, dump->len); 2069 return 0; 2070 } 2071 2072 static int qede_get_dump_data(struct net_device *dev, 2073 struct ethtool_dump *dump, void *buf) 2074 { 2075 struct qede_dev *edev = netdev_priv(dev); 2076 int rc = 0; 2077 2078 if (!edev->ops || !edev->ops->common) { 2079 DP_ERR(edev, "Edev ops not populated\n"); 2080 rc = -EINVAL; 2081 goto err; 2082 } 2083 2084 switch (edev->dump_info.cmd) { 2085 case QEDE_DUMP_CMD_NVM_CFG: 2086 if (edev->dump_info.num_args != QEDE_DUMP_NVM_ARG_COUNT) { 2087 DP_ERR(edev, "Arg count = %d required = %d\n", 2088 edev->dump_info.num_args, 2089 QEDE_DUMP_NVM_ARG_COUNT); 2090 rc = -EINVAL; 2091 goto err; 2092 } 2093 rc = edev->ops->common->read_nvm_cfg(edev->cdev, (u8 **)&buf, 2094 edev->dump_info.args[0], 2095 edev->dump_info.args[1]); 2096 break; 2097 case QEDE_DUMP_CMD_GRCDUMP: 2098 memset(buf, 0, dump->len); 2099 rc = edev->ops->common->dbg_all_data(edev->cdev, buf); 2100 break; 2101 default: 2102 DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd); 2103 rc = -EINVAL; 2104 break; 2105 } 2106 2107 err: 2108 edev->dump_info.cmd = QEDE_DUMP_CMD_NONE; 2109 edev->dump_info.num_args = 0; 2110 memset(edev->dump_info.args, 0, sizeof(edev->dump_info.args)); 2111 2112 return rc; 2113 } 2114 2115 int qede_set_per_coalesce(struct net_device *dev, u32 queue, 2116 struct ethtool_coalesce *coal) 2117 { 2118 struct qede_dev *edev = netdev_priv(dev); 2119 struct qede_fastpath *fp; 2120 u16 rxc, txc; 2121 int rc = 0; 2122 2123 if (coal->rx_coalesce_usecs > QED_COALESCE_MAX || 2124 coal->tx_coalesce_usecs > QED_COALESCE_MAX) { 2125 DP_INFO(edev, 2126 "Can't support requested %s coalesce value [max supported value %d]\n", 2127 coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx" 2128 : "tx", 2129 QED_COALESCE_MAX); 2130 return -EINVAL; 2131 } 2132 2133 rxc = (u16)coal->rx_coalesce_usecs; 2134 txc = (u16)coal->tx_coalesce_usecs; 2135 2136 __qede_lock(edev); 2137 if (queue >= edev->num_queues) { 2138 DP_INFO(edev, "Invalid queue\n"); 2139 rc = -EINVAL; 2140 goto out; 2141 } 2142 2143 if (edev->state != QEDE_STATE_OPEN) { 2144 rc = -EINVAL; 2145 goto out; 2146 } 2147 2148 fp = &edev->fp_array[queue]; 2149 2150 if (edev->fp_array[queue].type & QEDE_FASTPATH_RX) { 2151 rc = edev->ops->common->set_coalesce(edev->cdev, 2152 rxc, 0, 2153 fp->rxq->handle); 2154 if (rc) { 2155 DP_INFO(edev, 2156 "Set RX coalesce error, rc = %d\n", rc); 2157 goto out; 2158 } 2159 edev->coal_entry[queue].rxc = rxc; 2160 edev->coal_entry[queue].isvalid = true; 2161 } 2162 2163 if (edev->fp_array[queue].type & QEDE_FASTPATH_TX) { 2164 rc = edev->ops->common->set_coalesce(edev->cdev, 2165 0, txc, 2166 fp->txq->handle); 2167 if (rc) { 2168 DP_INFO(edev, 2169 "Set TX coalesce error, rc = %d\n", rc); 2170 goto out; 2171 } 2172 edev->coal_entry[queue].txc = txc; 2173 edev->coal_entry[queue].isvalid = true; 2174 } 2175 out: 2176 __qede_unlock(edev); 2177 2178 return rc; 2179 } 2180 2181 static int qede_get_per_coalesce(struct net_device *dev, 2182 u32 queue, 2183 struct ethtool_coalesce *coal) 2184 { 2185 void *rx_handle = NULL, *tx_handle = NULL; 2186 struct qede_dev *edev = netdev_priv(dev); 2187 struct qede_fastpath *fp; 2188 u16 rx_coal, tx_coal; 2189 int rc = 0; 2190 2191 rx_coal = QED_DEFAULT_RX_USECS; 2192 tx_coal = QED_DEFAULT_TX_USECS; 2193 2194 memset(coal, 0, sizeof(struct ethtool_coalesce)); 2195 2196 __qede_lock(edev); 2197 if (queue >= edev->num_queues) { 2198 DP_INFO(edev, "Invalid queue\n"); 2199 rc = -EINVAL; 2200 goto out; 2201 } 2202 2203 if (edev->state != QEDE_STATE_OPEN) { 2204 rc = -EINVAL; 2205 goto out; 2206 } 2207 2208 fp = &edev->fp_array[queue]; 2209 2210 if (fp->type & QEDE_FASTPATH_RX) 2211 rx_handle = fp->rxq->handle; 2212 2213 rc = edev->ops->get_coalesce(edev->cdev, &rx_coal, 2214 rx_handle); 2215 if (rc) { 2216 DP_INFO(edev, "Read Rx coalesce error\n"); 2217 goto out; 2218 } 2219 2220 fp = &edev->fp_array[queue]; 2221 if (fp->type & QEDE_FASTPATH_TX) 2222 tx_handle = fp->txq->handle; 2223 2224 rc = edev->ops->get_coalesce(edev->cdev, &tx_coal, 2225 tx_handle); 2226 if (rc) 2227 DP_INFO(edev, "Read Tx coalesce error\n"); 2228 2229 out: 2230 __qede_unlock(edev); 2231 2232 coal->rx_coalesce_usecs = rx_coal; 2233 coal->tx_coalesce_usecs = tx_coal; 2234 2235 return rc; 2236 } 2237 2238 static const struct ethtool_ops qede_ethtool_ops = { 2239 .supported_coalesce_params = ETHTOOL_COALESCE_USECS, 2240 .get_link_ksettings = qede_get_link_ksettings, 2241 .set_link_ksettings = qede_set_link_ksettings, 2242 .get_drvinfo = qede_get_drvinfo, 2243 .get_regs_len = qede_get_regs_len, 2244 .get_regs = qede_get_regs, 2245 .get_wol = qede_get_wol, 2246 .set_wol = qede_set_wol, 2247 .get_msglevel = qede_get_msglevel, 2248 .set_msglevel = qede_set_msglevel, 2249 .nway_reset = qede_nway_reset, 2250 .get_link = qede_get_link, 2251 .get_coalesce = qede_get_coalesce, 2252 .set_coalesce = qede_set_coalesce, 2253 .get_ringparam = qede_get_ringparam, 2254 .set_ringparam = qede_set_ringparam, 2255 .get_pauseparam = qede_get_pauseparam, 2256 .set_pauseparam = qede_set_pauseparam, 2257 .get_strings = qede_get_strings, 2258 .set_phys_id = qede_set_phys_id, 2259 .get_ethtool_stats = qede_get_ethtool_stats, 2260 .get_priv_flags = qede_get_priv_flags, 2261 .set_priv_flags = qede_set_priv_flags, 2262 .get_sset_count = qede_get_sset_count, 2263 .get_rxnfc = qede_get_rxnfc, 2264 .set_rxnfc = qede_set_rxnfc, 2265 .get_rxfh_indir_size = qede_get_rxfh_indir_size, 2266 .get_rxfh_key_size = qede_get_rxfh_key_size, 2267 .get_rxfh = qede_get_rxfh, 2268 .set_rxfh = qede_set_rxfh, 2269 .get_ts_info = qede_get_ts_info, 2270 .get_channels = qede_get_channels, 2271 .set_channels = qede_set_channels, 2272 .self_test = qede_self_test, 2273 .get_module_info = qede_get_module_info, 2274 .get_module_eeprom = qede_get_module_eeprom, 2275 .get_eee = qede_get_eee, 2276 .set_eee = qede_set_eee, 2277 .get_fecparam = qede_get_fecparam, 2278 .set_fecparam = qede_set_fecparam, 2279 .get_tunable = qede_get_tunable, 2280 .set_tunable = qede_set_tunable, 2281 .get_per_queue_coalesce = qede_get_per_coalesce, 2282 .set_per_queue_coalesce = qede_set_per_coalesce, 2283 .flash_device = qede_flash_device, 2284 .get_dump_flag = qede_get_dump_flag, 2285 .get_dump_data = qede_get_dump_data, 2286 .set_dump = qede_set_dump, 2287 }; 2288 2289 static const struct ethtool_ops qede_vf_ethtool_ops = { 2290 .supported_coalesce_params = ETHTOOL_COALESCE_USECS, 2291 .get_link_ksettings = qede_get_link_ksettings, 2292 .get_drvinfo = qede_get_drvinfo, 2293 .get_msglevel = qede_get_msglevel, 2294 .set_msglevel = qede_set_msglevel, 2295 .get_link = qede_get_link, 2296 .get_coalesce = qede_get_coalesce, 2297 .set_coalesce = qede_set_coalesce, 2298 .get_ringparam = qede_get_ringparam, 2299 .set_ringparam = qede_set_ringparam, 2300 .get_strings = qede_get_strings, 2301 .get_ethtool_stats = qede_get_ethtool_stats, 2302 .get_priv_flags = qede_get_priv_flags, 2303 .get_sset_count = qede_get_sset_count, 2304 .get_rxnfc = qede_get_rxnfc, 2305 .set_rxnfc = qede_set_rxnfc, 2306 .get_rxfh_indir_size = qede_get_rxfh_indir_size, 2307 .get_rxfh_key_size = qede_get_rxfh_key_size, 2308 .get_rxfh = qede_get_rxfh, 2309 .set_rxfh = qede_set_rxfh, 2310 .get_channels = qede_get_channels, 2311 .set_channels = qede_set_channels, 2312 .get_per_queue_coalesce = qede_get_per_coalesce, 2313 .set_per_queue_coalesce = qede_set_per_coalesce, 2314 .get_tunable = qede_get_tunable, 2315 .set_tunable = qede_set_tunable, 2316 }; 2317 2318 void qede_set_ethtool_ops(struct net_device *dev) 2319 { 2320 struct qede_dev *edev = netdev_priv(dev); 2321 2322 if (IS_VF(edev)) 2323 dev->ethtool_ops = &qede_vf_ethtool_ops; 2324 else 2325 dev->ethtool_ops = &qede_ethtool_ops; 2326 } 2327